Major Professional Experiences (Residency, Internship)
- Professor, Digestive Disease Center, CHA Bundang Medical Center, CHA University, Seongnam, Korea
- Military Service (Public Health Service), Gyeonggi-do Provincial Government, Suwon, Korea
- Residency in Department of Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
- Internship in Wonju Severance Hospital, Wonju, Korea